IRS Receipt Requirements: What Small Businesses Need to Keep (and for How Long)

Picture this: you're handed an IRS audit notice and you frantically start searching through shoeboxes, email folders, and crumpled paper bags for receipts from three years ago. Some are missing. Some are faded. Some are from a coffee shop you don't even remember visiting. This scenario plays out for thousands of small business owners every year—and most of it is completely avoidable.

The IRS has clear rules about what documentation you need to support your business deductions. Understanding those rules upfront—before an audit ever happens—can save you from disallowed deductions, back taxes, interest, and penalties. Here's what you actually need to know.

What Counts as a "Receipt" to the IRS?

The IRS doesn't define "receipt" as narrowly as you might think. While a traditional paper receipt from a store or vendor works, so does a range of other documentation that proves you made a purchase. Acceptable alternatives include:

• Credit card and bank statements showing the payee, amount, and date
• Canceled checks with a corresponding invoice or note about the business purpose
• Electronic invoices or billing statements emailed from vendors
• Real estate closing documents for property-related expenses
• Order confirmations from online purchases

What the IRS actually cares about is whether your records can establish:

1. The amount of the expense
2. The date it was incurred
3. The name of the payee or vendor
4. The business purpose of the expense

If your documentation can answer those four questions, you're in good shape.

The $75 Rule: When Are Receipts Required?

Here's a rule that surprises many business owners: the IRS generally requires receipts only for individual expenses of $75 or more. Expenses under $75 can typically be supported by other means—like a credit card statement or written log entry.

There's one critical exception: lodging always requires a receipt, no matter the cost. If you stay at a hotel for business and the room costs $68, you still need that receipt. The IRS is stricter about travel and lodging documentation because these expenses are particularly prone to misuse.

High-Scrutiny Expenses: Section 274(d) Categories

For certain categories of expenses, the IRS imposes a higher "adequate records" standard under IRC Section 274(d). These aren't just covered by the general receipt rules—they require contemporaneous (recorded at the time) documentation that substantiates:

• The amount of the expense
• The date and place
• The business purpose
• The business relationship of the people involved (for meals and entertainment)

The Section 274(d) categories are:

• Business meals (currently 50% deductible)
• Business travel (transportation, lodging, meals away from home)
• Listed property (vehicles, computers, phones used for both business and personal purposes)
• Gifts (limited to $25 per recipient per year for deductibility)

For these expenses, keep detailed records at the time of the expense—not reconstructed months later. A note in your expense app, a calendar entry with the client's name and topic discussed, or a written mileage log qualifies as contemporaneous documentation.

How Long Do You Need to Keep Business Receipts?

The retention period depends on the type of record and whether any unusual circumstances apply:

Situation	How Long to Keep Records
Standard returns (income reported in full)	3 years from filing date
Returns with unreported income (>25% of gross income omitted)	6 years
Employment tax records	4 years from the date tax was due or paid
Bad debt deductions or worthless securities	7 years
Fraudulent returns or returns never filed	Indefinitely

The practical recommendation most tax professionals give: keep all business records for at least 7 years. This gives you a safe buffer even in unusual circumstances, and digital storage is cheap enough that there's little reason to be aggressive about deleting records.

Digital Receipts Are Fully Acceptable

Good news for anyone who hates filing paper: the IRS explicitly accepts digital copies of receipts and supporting documentation. A scanned PDF, a photo taken with your phone, or an emailed receipt from a vendor all satisfy IRS requirements—as long as the copy is:

• Legible and accurate (not cropped, blurry, or missing key information)
• Retrievable on demand (organized so you can find specific records quickly)
• Complete (showing all required fields: amount, date, vendor, purpose)

Receipt management apps and accounting software that automatically capture and categorize expenses are perfectly acceptable, and they make tax time and potential audits much smoother.

What Is the Cohan Rule—and Can It Save You?

The Cohan Rule comes from a 1930 tax court case (Cohan v. Commissioner) involving entertainer George M. Cohan, who claimed business deductions without detailed records. The court ruled that taxpayers shouldn't lose an entire deduction simply because they can't prove the exact amount, as long as there's credible evidence the expense occurred.

In practice, the Cohan Rule allows the IRS—or tax court—to estimate a reasonable deduction when:

• You can credibly establish that the expense actually occurred
• You provide alternative evidence (bank statements, calendar entries, vendor correspondence)
• Your estimate is reasonable and not inflated

Important limitations: The Cohan Rule doesn't apply to Section 274(d) expenses (travel, meals, entertainment, listed property). For those categories, strict substantiation is required—no exceptions. And practically speaking, the Cohan Rule typically only comes into play at the appeals or tax court level, not during a standard audit examination.

The takeaway: the Cohan Rule is a safety net, not a strategy. Don't count on it.

What Happens in an Audit Without Receipts?

If the IRS audits you and you can't produce documentation for claimed deductions, the consequences can escalate quickly:

1. Deductions get disallowed — The IRS removes the deduction from your return
2. Additional tax is owed — Your taxable income increases by the disallowed amount
3. Interest accrues — Interest applies to any unpaid tax from the original due date
4. Accuracy-related penalties — If you can't substantiate your expenses, the IRS may add a 20% accuracy-related penalty on the underpayment

If you're facing an audit and you're missing receipts, your best move is to reconstruct records as thoroughly as possible: pull bank and credit card statements, gather vendor invoices, check calendar entries for business meetings, and document mileage from GPS apps or calendar records. The IRS will consider credible reconstruction, particularly for non-274(d) expenses.

A Practical Receipt Management System

The best time to organize your receipts is throughout the year, not in March when taxes are due. Here's a simple system that works for most small businesses:

Capture receipts immediately. Take a photo of paper receipts right after a purchase before they get lost or fade. Many receipts are printed on thermal paper that fades within a year.

Use a consistent naming convention. If you're storing files manually, use a format like YYYY-MM-DD_Vendor_Amount.pdf so you can find records quickly.

Categorize expenses as you go. Match your categories to IRS Schedule C or your business tax categories so reconciliation is straightforward at year-end.

Keep business and personal finances separate. This is the single most impactful step you can take. A dedicated business checking account and credit card means your bank statements provide a nearly complete record of business activity—no manual sorting required.

Reconcile monthly. A 15-minute monthly review to match expenses to receipts catches gaps before they pile up. Finding a missing receipt three weeks after a purchase is far easier than finding it three years later.

Back up digital records. Store receipt images in cloud storage with automatic backup. Losing a hard drive or having a phone stolen shouldn't mean losing years of financial documentation.

Which Records Can You Skip?

Not every piece of paper needs to be saved forever. Once you've confirmed an expense is properly categorized and your return is filed:

• Routine purchases under $75 (excluding lodging) can be documented with a bank or credit card statement alone
• Payroll records follow a different retention schedule (typically 4 years)
• Utility bills for a dedicated business location can often be supported by bank statements once the deduction period has passed

When in doubt, keep it. Digital storage is inexpensive enough that the cost of keeping a record is almost always lower than the cost of not having it when you need it.

Keep Your Finances Organized from Day One

Managing receipts is only as difficult as the system you set up for it. When your business finances are properly tracked and categorized throughout the year, tax season—and the rare IRS inquiry—becomes far less stressful. Beancount.io provides plain-text accounting that gives you a transparent, version-controlled record of every transaction, with no black boxes or vendor lock-in. Get started for free and build the kind of financial records that hold up to scrutiny.